Open Source Task Managers

Task Coach - Your friendly task manager. Task Coach is a free open source todo manager. It grew out of frustration about other programs not handling composite tasks well. In addition to flexible composite tasks, Task Coach has grown to include prerequisites, prioritizing, effort tracking, category tags, budgets, notes, and many other features. However, users are not forced to use all these features; Task Coach can be as simple or complex as you need it to be. Task Coach is available for Windows, Mac OS X, and GNU/Linux; and there is a companion iOS app.

VYM (View Your Mind) is a tool to generate and manipulate maps which show your thoughts. Such maps can help you to improve your creativity and effectivity. You can use them for time management, to organize tasks, to get an overview over complex contexts

Feng Office (formerly known as OpenGoo) is a free and open source online project management and collaboration tool, licensed under the Affero GPL 3 license.

Mindwtr: The Privacy-First GTD System Mindwtr is a Getting Things Done (GTD) productivity tool designed for "Mind Like Water." It runs completely offline—no accounts, no tracking, and no subscriptions. The Core GTD Workflow Capture: Instantly offload thoughts to your Inbox. Clarify: Process tasks rapidly with the built-in "2-Minute Rule" timer. Organize: Sort tasks by Contexts (@work, @home), Areas, and Projects. Reflect: Keep your system trustworthy with a guided Weekly Review. Engage: Filter Next Actions by energy level or time available. Powerful Features Local-First: Your data lives on your device (SQLite). You own it 100%. Flexible Sync: Sync privately via File System (Syncthing, iCloud) or WebDAV (Nextcloud). Focus View: A unified dashboard for your calendar events and next actions. Kanban Boards: Visualize projects with drag-and-drop columns. Stop managing your data. Start getting things done.

Freeplane is a widely used mind mapping tool. GTD is a time management methodology by David Allen. Freeplane GTD is an addon, that can collect tasks specified in a mindmap, thus allowing the users of Freeplane to use the concepts of GTD in their mind

Ganib gives simpler ways to keep your projects organized and on track. Take advantage of easy features that help you quickstart and makes your team more efficient and productive. Open source Web based online agile project management collaboration software free, J2EE platform, MySql database with project dashboards & reporting. Organized Teams & Projects: Easily plan & manage projects with intuitive features to help your team deliver on time. Quickly focus on what's important, easily select actions to take. Be efficient for everyday work, project tasks, important details, and timelines. Tasks: Set milestones, tasks, subtasks with duration and dependencies to teams better organized. Scrum: Communicate effectively with your team using scrum, wikis & discussions to make better decisions. ​ Timesheet & Tracking: Track the time spent in real time using gTrack desktop tool with desktop screenshots. Bug Tracking: Manage bugs. Demo: http://www.ganib.com

MyT (Manage Your Team) - is a free open source task management and project management system, based on Yii Framework, easy to use and with a great perspective of growth for the future. You can create one or more Projects and manage several types of Tasks for each one. You can also create and manage Timesheet hours. Myt can send email notifications based on some events, such as Task assignments and Project associations. All features are configurable from the Administration Panel.

Features: web2.0 project- & task-management, timetracking, team organizing, resource management, calendar, interface for your clients and lots more! Content: see license.txt (file section).

Nomad PIM is a free extensible personal information manager. It contains modules for personal notes, journal, address book, personal finances, task management, time tracking and evaluating basic fitness measurements.

TàF (Tâches à Faire) is a task manager software, it is conceived to be simple and inspired in the method "get things done".

Advanced and Secure Boards for Your Needs Whether you are a hobbyist just starting to manage projects or a professional with years of experience, 4ga Boards is the perfect solution for you. Your convenience is our priority. We have redesigned how you work, ensuring the security of your data while introducing innovative features to maximize productivity for you and your team. Enjoy a workspace tailored for you, whether you are solo or in a large group, scalable and flexible to any industry. 4ga Boards Homepage: https://4gaboards.com More features: https://4gaboards.com/features Try 4ga Boards: https://4gaboards.com/try GitHub: https://github.com/RARgames/4gaBoards Docs: https://docs.4gaboards.com

Genji is a web based Scrum tool and task management system. It offers powerful filtering capabilities, many customization features, reports, integration with Jenkins, SVN, Git, Maven, and more. Support for RACI project management matrix and the Getting Things Done method is built in.

JETeam is a J2EE Quality Management Application that aims to help members of a team to work together by offering enterprise services such as remote project and task management and analysis. Jeteam is a pure Java Implementation using J2EE.

OrganiTask is a task management application which enables you to create and organize your tasks from anywhere in the world. It is a web application and is therefore accessible from any browser. Your work is automatically saved, no need to transfer or synchronize your data, simply log in via another computer and continue to work starting from the very same state. This project aims to create a native application for OrganiTask.

A simple yet powerful task management and time tracking application. Supports a hierarchy of projects and tasks, multiple taks timers, data export to a comma-separated file, detailed time log, dynamically computed summaries of used time per each project

A free and open-source, fully customizable task manager for Android. Full-featured version on about June 2019. For contributing, see file TODO inside the repository root. TaskMan is licensed under GNU GPL version 3 or later; see LICENSE file inside the repository root. Android is a trademark of Google LLC in the United States and/or in other countries.